US2707708A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized solutions of mixtures of polyamide resins and epoxy resins
Assignee: General Mills Inc
•
Filing: 1953-07-09
•
Granted: 1955-05-03
•
Expires: 1973-07-09
Abstract
No abstract record available.
Inventors
- 👤 Wittcoff Harold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:48
CPC Classifications
C; C08; C08L; C08L63/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
A STABILIZED ORGANIC-SOLVENT SOLUTION OF AN EPOXY RESINOUS MATERIAL CONTAINING TERMINAL EPOXY GROUPS AND BEING DERIVED BY THE REACTION OF A BISPHENOL WITH A MATERIAL SELECTED FROM THE GROUP CONSISTING OF GLYCEROL DICHLORHYDRIN AND EPICHLORHYDRIN, AND A POLYAMIDE DERIVED FROM POLYMERIC FAT ACIDS AND DIETHYLENE TRIAMINE THE SOLUTION BEING STABILIZED BY MEANS OF FROM 1-30% OF FORMALDEHYDE BASED ON THE WEIGHT OF THE POLYAMIDE.
Claim 2
Dependent Claim
64 words
A STABILIZED ORGANIC-SOLVENT SOLUTION OF AN EPOXY RESINOUS MATERIAL CONTAINING TERMINAL EPOXY GROUPS AND BEING DERIVED BY THE REACTION OF A BISPHENOL WITH A MATERIAL SELECTED FROM THE GROUP CONSISTING OF GLYCEROL DICHLORHYDRIN AND EPICHLORHYDRIN, AND A POLYAMIDE DERIVED FROM POLYMERIC FAT ACIDS AND DIETHYLENE TRIAMINE THE SOLUTION BEING STABILIZED BY MEANS OF FROM 1-30% OF FORMALDEHYDE BASED ON THE WEIGHT OF THE POLYAMIDE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-05-02 | 1958-11-01 | 1959-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-02 | 1962-11-01 | 1963-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-02 | 1966-11-01 | 1967-05-03 | $7700.00 | Window Closed / Lapsed |